Winter is fast approaching, and you may think that means you don’t have to worry about your car’s cooling system, but this is the perfect time to flush and fill it.
Wondering how a thermostat works, how to replace a water pump or why the right type of coolant is critical? Haynes shows you how with this video guide.
A thermostat is a device that reacts to temperature to open a valve, or turn on a switch. A car’s engine thermostat is the component in its cooling system that opens and allows coolant to circulate once the motor is warmed up. This gives two main benefits: 1) It allows the engine to heat up to its...
When it comes to renewing the engine coolant, there isn't a great deal that can go wrong. As long as you can access and undo either the drain plug (if fitted) or the lower radiator hose then draining the system is a matter of placing a large receptacle under the drainage point and allowing the...
An expansion tank is one part of a complex overall car cooling system that’s designed to keep the engine operating at exactly the right temperature. In the sealed cooling system that’s present on most cars, it is partially filled with air. The air in the expansion tank provides a ‘cushioning’...